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Equity and Long-Term Incentive Compensation Plans - Share-based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Stock-based compensation expense |  |  |  |  |
Stock-based compensation expense | $ 15,695 | $ 13,739 | $ 31,833 | $ 27,770 |
Stock-based compensation capitalized as inventory | 4,859 |  | 4,859 |  | $ 4,580
Costs of revenues |  |  |  |  |
Stock-based compensation expense |  |  |  |  |
Stock-based compensation expense | 1,823 | 1,656 | 3,654 | 3,072 |
Research and development |  |  |  |  |
Stock-based compensation expense |  |  |  |  |
Stock-based compensation expense | 2,483 | 2,275 | 5,002 | 4,446 |
Selling, general and administrative |  |  |  |  |
Stock-based compensation expense |  |  |  |  |
Stock-based compensation expense | $ 11,389 | $ 9,808 | $ 23,177 | $ 20,252 |

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